Joseph Doherty
36 lines
1.8 KiB
C#
36 lines
1.8 KiB
C#
using ZB.MOM.WW.Configuration;
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namespace ZB.MOM.WW.ScadaBridge.StoreAndForward;
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/// <summary>
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/// Validates <see cref="StoreAndForwardOptions"/> at startup. The retry intervals
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/// feed the background sweep timer (a zero/negative period trips
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/// <see cref="ArgumentOutOfRangeException"/> in the timer constructor) and the
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/// SQLite path is opened for the S&F buffer; an empty path yields an opaque
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/// connection failure at first enqueue. Registered with <c>ValidateOnStart()</c>
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/// so a bad <c>ScadaBridge:StoreAndForward</c> section fails fast at boot with a
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/// clear, key-naming message.
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/// </summary>
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public sealed class StoreAndForwardOptionsValidator : OptionsValidatorBase<StoreAndForwardOptions>
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{
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/// <inheritdoc />
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protected override void Validate(ValidationBuilder builder, StoreAndForwardOptions options)
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{
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builder.RequireThat(!string.IsNullOrWhiteSpace(options.SqliteDbPath),
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"ScadaBridge:StoreAndForward:SqliteDbPath must be a non-empty path; " +
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"it is the SQLite file backing the store-and-forward buffer.");
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builder.RequireThat(options.DefaultRetryInterval > TimeSpan.Zero,
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$"ScadaBridge:StoreAndForward:DefaultRetryInterval must be a positive duration " +
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$"(was {options.DefaultRetryInterval}); it is the default per-message retry interval.");
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builder.RequireThat(options.RetryTimerInterval > TimeSpan.Zero,
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$"ScadaBridge:StoreAndForward:RetryTimerInterval must be a positive duration " +
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$"(was {options.RetryTimerInterval}); it is the background retry-sweep timer period.");
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builder.RequireThat(options.DefaultMaxRetries >= 0,
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$"ScadaBridge:StoreAndForward:DefaultMaxRetries must be >= 0 " +
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$"(was {options.DefaultMaxRetries}).");
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}
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}
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